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Nikon applies for patent on new 70-200 f/4 design


Richard Williams

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<blockquote>

<p>Sigma announced it's replacement for the 50-150 f/2.8 to include optical stabilization (OS). I find it to be the ideal focal length for APS-C sensors. I'll definitely trade in my 50-150 for it.</p>

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<p>i wouldn't. the 50-150 is a keeper. the problem with the new one is, it's as big as a 70-200. a compact 2.8 tele makes a perfect argument for the DX format. VR on the 70-200 is nice, but i'd rather have compactness.</p>

 

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<blockquote>

<p>BTW where exactly does the patent say '70-200/4'?</p>

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<p>Page 20 of the PDF document where the data for the various embodiments are specified and tabulated.</p>

<p>The actual range of focal length is given as ~71mm to ~196mm with a constant aperture of f/4.1</p><div>00ZPMO-402933584.jpg.cdae34a3b2b93307223549c23025e990.jpg</div>

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